diff options
Diffstat (limited to 'erts/emulator/test/bs_construct_SUITE.erl')
-rw-r--r-- | erts/emulator/test/bs_construct_SUITE.erl | 59 |
1 files changed, 48 insertions, 11 deletions
diff --git a/erts/emulator/test/bs_construct_SUITE.erl b/erts/emulator/test/bs_construct_SUITE.erl index 7fdf36711b..9c88803fea 100644 --- a/erts/emulator/test/bs_construct_SUITE.erl +++ b/erts/emulator/test/bs_construct_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1999-2011. All Rights Reserved. +%% Copyright Ericsson AB 1999-2012. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -28,7 +28,7 @@ mem_leak/1, coerce_to_float/1, bjorn/1, huge_float_field/1, huge_binary/1, system_limit/1, badarg/1, copy_writable_binary/1, kostis/1, dynamic/1, bs_add/1, - otp_7422/1, zero_width/1]). + otp_7422/1, zero_width/1, bad_append/1]). -include_lib("test_server/include/test_server.hrl"). @@ -38,7 +38,8 @@ all() -> [test1, test2, test3, test4, test5, testf, not_used, in_guard, mem_leak, coerce_to_float, bjorn, huge_float_field, huge_binary, system_limit, badarg, - copy_writable_binary, kostis, dynamic, bs_add, otp_7422, zero_width]. + copy_writable_binary, kostis, dynamic, bs_add, otp_7422, zero_width, + bad_append]. groups() -> []. @@ -460,7 +461,6 @@ mem_leak(0, _) -> ok; mem_leak(N, B) -> ?line big_bin(B, <<23>>), ?line {'EXIT',{badarg,_}} = (catch big_bin(B, bad)), - maybe_gc(), mem_leak(N-1, B). big_bin(B1, B2) -> @@ -473,13 +473,6 @@ big_bin(B1, B2) -> make_bin(0, Acc) -> Acc; make_bin(N, Acc) -> make_bin(N-1, <<Acc/binary,Acc/binary>>). -maybe_gc() -> - case erlang:system_info(heap_type) of - shared -> erlang:garbage_collect(); - hybrid -> erlang:garbage_collect(); - private -> ok - end. - -define(COF(Int0), ?line (fun(Int) -> true = <<Int:32/float>> =:= <<(float(Int)):32/float>>, @@ -835,5 +828,49 @@ zero_width(Config) when is_list(Config) -> ?line {'EXIT',{badarg,_}} = (catch <<(id(not_a_number)):0>>), ok. + +bad_append(_) -> + do_bad_append(<<127:1>>, fun append_unit_3/1), + do_bad_append(<<127:2>>, fun append_unit_3/1), + do_bad_append(<<127:17>>, fun append_unit_3/1), + + do_bad_append(<<127:3>>, fun append_unit_4/1), + do_bad_append(<<127:5>>, fun append_unit_4/1), + do_bad_append(<<127:7>>, fun append_unit_4/1), + do_bad_append(<<127:199>>, fun append_unit_4/1), + + do_bad_append(<<127:7>>, fun append_unit_8/1), + do_bad_append(<<127:9>>, fun append_unit_8/1), + + do_bad_append(<<0:8>>, fun append_unit_16/1), + do_bad_append(<<0:15>>, fun append_unit_16/1), + do_bad_append(<<0:17>>, fun append_unit_16/1), + ok. + +do_bad_append(Bin0, Appender) -> + {'EXIT',{badarg,_}} = (catch Appender(Bin0)), + + Bin1 = id(<<0:3,Bin0/bitstring>>), + <<_:3,Bin2/bitstring>> = Bin1, + {'EXIT',{badarg,_}} = (catch Appender(Bin2)), + + %% Create a writable binary. + Empty = id(<<>>), + Bin3 = <<Empty/bitstring,Bin0/bitstring>>, + {'EXIT',{badarg,_}} = (catch Appender(Bin3)), + ok. + +append_unit_3(Bin) -> + <<Bin/binary-unit:3,0:1>>. + +append_unit_4(Bin) -> + <<Bin/binary-unit:4,0:1>>. + +append_unit_8(Bin) -> + <<Bin/binary,0:1>>. + +append_unit_16(Bin) -> + <<Bin/binary-unit:16,0:1>>. + id(I) -> I. |